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SD1A150A
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Product Detailed Parameters
- Description：THYRISTOR SMA T&R 5K
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Off State：-
- Voltage - Gate Trigger (Vgt) (Max)：-
- Current - Gate Trigger (Igt) (Max)：-
- Current - Hold (Ih) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：-
- SCR Type：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Voltage - On State (Vtm) (Max)：-
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：-
- Current - Off State (Max)：-
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Overview
The SD1A150A is a unidirectional silicon thyristor (SIDAC) manufactured by Diodes Incorporated, designed for high-voltage triggering applications. It operates within an ambient temperature range of -40°C to +125°C and features a peak repetitive off-state voltage (VDRM) of 120 Volts. The device supports an on-state RMS current of 1 Ampere at 80°C case temperature and can withstand a peak non-repetitive surge current of 120 Amperes. Its breakover voltage (VBO) ranges from 142 to 157 Vdc with a holding current under 60 mA. Packaged in the compact SMA (DO-214AC) format, it includes matte tin plated leads and complies with RoHS standards.
Feature Summary
- Unidirectional silicon thyristor structure optimized for high-voltage triggering
- Compact SMA package design intended to save spacing on printed circuit boards
- Lead-free finish compliant with EU RoHS directives and free of halogens and antimony
Applications
- Gas igniters
Procurement Notes
Verify component authenticity through authorized Diodes Incorporated channels or certified distributors. Confirm that the SMA package marking matches the official datasheet specifications. Ensure compliance with local environmental regulations regarding lead-free and halogen-free electronic components before final procurement integration.
Selection Notes
Select this component when a precise breakover voltage between 142 and 157 Vdc is required for circuit protection or triggering. Evaluate the 1 Ampere RMS current rating against the maximum load requirements. Consider the SMA footprint constraints and verify thermal management capabilities for junction temperatures up to 125°C during continuous operation.
Part Context
This part belongs to the SIDAC family of high-voltage silicon unidirectional thyristors produced by Diodes Incorporated. These devices are engineered specifically for overvoltage protection and pulse generation circuits where reliable switching characteristics are critical. The SD1A150A variant provides specific voltage thresholds suitable for industrial and consumer electronics applications.
Replacement Considerations
Consult the manufacturer's official documentation for verified cross-reference data. No alternative part numbers are confirmed in the provided source material.
